Koichiro Ogami

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The purpose of this study was to investigate differences between natural tooth color and that selected for artificial teeth in partial dentures at our department with a view to establishing criteria for obtaining greater harmonization between colors. The participants in this study comprised partial denture wearers visiting the Department of Prosthodontics,(More)
PURPOSE We examined how chewing rate and the extent of reactive hyperemia affect the blood flow in denture-supporting mucosa during chewing. METHODS The left palatal mucosa was loaded under conditions of simulated chewing or simulated clenching for 30s, and the blood flow during loading was recorded. We compared the relative blood flow during loading(More)
To measure resting whole saliva, draining and spitting methods have been commonly used. However, these methods require the patients' understanding and cooperation. The aim of this study was to establish a method for measuring the salivary flow rate that does not rely on patient's cooperation or the state of the mouth and does not cause any discomfort to(More)
A new spectrophotometric method for microgram amounts of scandium with indoferron is described. The molar absorptivity is 960 l.mole(-1).mm(-1) at 600 nm. Uranium and the rare earths do not interfere, if present in amounts less than 50 mug. Scandium in silicate rocks can be determined by the procedure after separation of the scandium by a three-stage(More)
STATEMENT OF PROBLEM Oral perception is adversely affected by palatal coverage in complete denture wearers. PURPOSE The purpose of this study was to determine whether an opening in an anterior palatal base enhanced oral perception and the effect of the size of the opening on retention. MATERIAL AND METHODS Ten healthy dentate individuals (5 men, 5(More)
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